问题描述：
八下英语教与学 用所给词的适当形式填空
1.Mr Green _____(not come) back to China yet.He ____(not come) back until he ____(finish)_____(do) the project.
2.Our teacher ____(be) ill for about half a year.
1.Mr Green _____(not come) back to China yet.He ____(not come) back until he ____(finish)_____(do) the project.
2.Our teacher ____(be) ill for about half a year.
问题解答：
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